NewEnergyNews: EVEN MARGINAL WIND IS COST-EFFECTIVE/

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    Friday, August 27, 2010

    EVEN MARGINAL WIND IS COST-EFFECTIVE

    Wind turbines ‘cost effective’ in marginal Colorado sites
    James Cartledge, August 25, 2010 (Brighter Energy)

    "Farms in Colorado could find it cost effective to set up wind turbines even in sites with “marginal” wind speeds, according to a new study from the state’s Department of Agriculture…funded by the Department’s Advancing Colorado’s Renewable Energy program and carried out by consultancy Brink, Inc…

    "It said federal tax credits currently available to support renewable energy projects could lower typical payback times for wind turbines up to 100 kilowatts in output by four to six years…[and] make wind turbines economical at sites classed as marginal for wind speeds [between 13.2 and 15 miles an hour]..."


    click to enlarge

    "The research monitored wind speeds at three agricultural operations…and determined payback times for wind energy equipment based on the availability of tax credits, loans and grants…[T]he 30% federal tax credit could largely offset interest costs for loans, and…make smaller turbines more economically feasible than larger machines.

    "…
    [ Wind Resource Evaluation at Colorado Agricultural Operations] found that turbine payback times could range from four years to 23 years…[and advised] buyers to examine carefully the ratio between turbine and tower costs compared to electricity output."

    click to enlarge

    "Along with Renewable Energy Credit value, the report stated that a wind turbine with a 15-year payback time would offer a return on investment of about 3% each year over a 30-year lifespan.

    "The report also confirmed that Colorado residents could determine an adequate estimate of wind speeds in their area from the National Renewable Energy Laboratory’s Colorado 50 meter Wind Resource Map."

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